这几天我经常遇到以下错误apache2:PHPFatalerror:Uncaughtexception'CredisException'withmessage'LostconnectiontoRedisserver.'in/pathtomagento/lib/Credis/Client.php:693#012Stacktrace:#012#0/pathtomagento/lib/Credis/Client.php(538):Credis_Client->read_reply('select')#012#1/pathtomagento/lib/Credis/Client.php(440)